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LM7815CT
+NomenclatureIC REG LINEAR 15V 1A TO220-3
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FabricantTexas Instruments
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Pièce fabricant #LM7815CT
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Package TO-220-3
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En stock5314
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 15V |
| Voltage Dropout (Max) | 2V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 8 mA |
| PSRR | 70dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Through Hole |
Présentation
Description
Key features of the LM7815CT include built-in protection mechanisms such as thermal shutdown, current limiting, and short-circuit protection, enhancing its reliability and safety in various applications. It is typically housed in a TO-220 package, allowing for easy mounting and heat dissipation.
The LM7815CT is widely used in power supply designs for consumer electronics, industrial equipment, and other applications where a consistent 15V output is needed. It simplifies power management by reducing design complexity and component count, making it a popular choice for engineers and hobbyists alike.
Equivalent
1. L7815CV (STMicroelectronics)
2. UA7815CKCS (Texas Instruments)
3. MC7815CTG (ON Semiconductor)
4. KA7815 (Fairchild)
5. NTE960 (NTE Electronics)
These alternatives offer similar specifications, including output voltage and current capacity, suitable for applications requiring a stable 15V output. Always check datasheets for compatibility in specific applications.
Features
1. Output Voltage: Fixed at +15V.
2. Output Current: Can deliver up to 1.5A.
3. Input Voltage Range: Typically requires an input voltage of 17V to 35V to maintain regulation.
4. Thermal Overload Protection: Automatically shuts down the regulator in case of overheating to prevent damage.
5. Short Circuit Protection: Limits the output current to prevent damage due to accidental short circuits.
6. Safe Area Protection: Ensures the regulator operates within safe limits under various conditions.
7. Low Quiescent Current: Helps maintain efficiency by reducing the current draw when the load is minimal.
8. Package Type: Commonly available in a TO-220 package, which provides efficient heat dissipation.
9. Ease of Use: Requires minimal external components, making it suitable for various applications.
The LM7815CT is widely used in power supply circuits where a stable +15V output is essential, ensuring reliable performance and protection against various faults.
Pinout
1. Input (Pin 1): This pin receives the unregulated input voltage. It is recommended to provide a voltage at least 3V higher than the 15V output to ensure proper regulation.
2. Ground (Pin 2): The ground pin is the common ground for both the input and output voltages. It serves as a reference point for the voltage regulation.
3. Output (Pin 3): This pin provides the regulated 15V output. The LM7815CT can typically deliver up to 1.5A of output current, provided it is properly cooled.
The device includes internal protection features like thermal shutdown, current limiting, and safe area protection, which help in maintaining reliable operation and preventing damage under fault conditions. It is widely used in various electronic circuits requiring a stable 15V power supply.
Manufacturer
Application
1. Power Supply Design: Converts higher voltage inputs to a stable 15V output for electronic circuits.
2. Embedded Systems: Ensures consistent voltage for microcontrollers and other components.
3. Audio Equipment: Provides stable power to audio amplifiers and other audio processing devices.
4. Test Equipment: Used in laboratory equipment for precise and reliable voltage regulation.
5. Communication Devices: Powers communication circuits requiring stable voltage to prevent signal distortion.
6. Industrial Automation: Supplies regulated voltage in control systems and machinery.
These applications benefit from the LM7815CT's reliability and simplicity in providing a fixed voltage output.